Feds sell secret coin-knife after 9/11
Dec. 3, 2001: Despite post-9/11 measures to secure the safety of commercial air travel in the United States, WND revealed how an agency of the federal government continued to sell an easily concealable fake silver dollar that included a double-bladed hidden knife.
The item, offered by the U.S. Mint, was available for purchase online. It could likely slip past an airport metal detector when concealed with other coins in a coin purse.
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According to the Mint's online catalog, the coin "features a hardened steel pocket knife mechanism that opens on either side to reveal a knife blade and nail file." The item is even antiqued to give it an "aged" appearance.
The government website selling the item provided no warning about taking the weapon onto an airplane, nor did it indicate if airport security had been alerted to the existence of such weapons.